Price (USD)
G Pen Pro edgeDynavap The Unidyn
$129
G Pen Pro
$90
G Pen Pro is typically around $39 lower.
Vaporizer Comparison
Side-by-side specs, pricing context, and clear decision guidance.
Dynavap The Unidyn
DynaVap $129
G Pen Pro
Grenco Science $90
Dynavap The Unidyn and G Pen Pro are both portable / convection vaporizers, but they target different priorities. G Pen Pro is usually the lower-cost pick at $90, around $39 below Dynavap The Unidyn. Heat-up speed is broadly similar between the two.
Specs Compared
22
Different Specs
20
Shared Specs
2
Overall Overlap
9%
Shared Traits
A quick snapshot of the specs people usually care about first.
Dynavap The Unidyn
$129
G Pen Pro
$90
G Pen Pro is typically around $39 lower.
Dynavap The Unidyn
Depending on the heat source, ~30 seconds
G Pen Pro
~30 seconds
Both devices are in a similar heat-up range.
Dynavap The Unidyn
Convection
G Pen Pro
Convection
Both devices use a similar heating approach.
Top specs where these two devices diverge.
Price (USD)
Dynavap The Unidyn
$129
G Pen Pro
$90
Heat Up Time
Dynavap The Unidyn
Depending on the heat source, ~30 seconds
G Pen Pro
~30 seconds
Temperature Range
Dynavap The Unidyn
N/A
G Pen Pro
190°C - 220°C (375°F - 428°F)
Chamber Capacity
Dynavap The Unidyn
~0.1g
G Pen Pro
~0.25 grams
Battery Type
Dynavap The Unidyn
None
G Pen Pro
Internal
Battery Capacity
Dynavap The Unidyn
N/A
G Pen Pro
2200mAh
Charging
Dynavap The Unidyn
N/A
G Pen Pro
Micro-USB
Charge Time
Dynavap The Unidyn
N/A
G Pen Pro
<3 hours
Power Adjustment
Dynavap The Unidyn
Manual
G Pen Pro
Modular - 3 Stages
Chamber Material
Dynavap The Unidyn
Titanium
G Pen Pro
Ceramic
Direct comparison of every spec from each device profile.
| Specification | Dynavap The Unidyn | G Pen Pro |
|---|---|---|
| Price (USD) | $129 | $90 |
| Device Type | Portable | Portable |
| Heating Type | Convection | Convection |
| Heat Up Time | Depending on the heat source, ~30 seconds | ~30 seconds |
| Temperature Range | N/A | 190°C - 220°C (375°F - 428°F) |
| Chamber Capacity | ~0.1g | ~0.25 grams |
| Battery Type | None | Internal |
| Battery Capacity | N/A | 2200mAh |
| Battery Life | N/A | — |
| Charging | N/A | Micro-USB |
| Charge Time | N/A | <3 hours |
| Dimensions | 109x11x11mm | — |
| Weight | 14g | — |
| Power Adjustment | Manual | Modular - 3 Stages |
| Chamber Material | Titanium | Ceramic |
| Brand | DynaVap | Grenco Science |
| Adjustable Airflow | Yes | — |
| Body Material | Titanium, stainless steel & high heat silicone seals | — |
| Country of Manufacture | United States (USA) | — |
| Release Date | 2025 | 2017 |
| Session Style | — | Session |
| Warranty | Lifetime | 1 year |
There's no single headline gap. The differences are spread across 20 smaller spec rows rather than concentrated in one place. The spec table below marks each row that differs.
G Pen Pro is the cheaper option at $90 compared with $129 for the Dynavap The Unidyn, about $39 less. Live retailer pricing can shift, so confirm before buying.
G Pen Pro has the larger chamber at ~0.25 grams, versus ~0.1g on the Dynavap The Unidyn. A bigger bowl means fewer reloads on long sessions; a smaller one suits microdosing and quicker bowls.
Heat-up times are very close: Depending on the heat source, ~30 seconds on the Dynavap The Unidyn and ~30 seconds on the G Pen Pro. The real-world difference will be hard to notice mid-session.
Dynavap The Unidyn controls heat with manual, while the G Pen Pro uses modular - 3 stages. Both let you change temperature, just with different levels of precision.
Across the 22 specs we line up, they share 2 and differ on 20, an overlap of about 9%. The differences are concentrated in the areas the spec table highlights with a marker.
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.